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PREFACE
Chemistryisconsideredtobeadifficultsubject.Thisisacommonbelief
andourinterlocutorsadmitthatchemistryisnotinterestingforthembecause
theyhaveneverunderstoodit.Thereforeletustrytoovercomethesebarriers.
Chemistrylearntstepbystepcanbeassociatedinapleasantwaywithrecipes,
nicecoloursandscents.Preparingdishesisofcoursechemistryaswehave
tofollowsuitableinstructions,precision,cleanlinessandconscientiousness.
Workinmanylaboratoriessuchaschemical,pharmaceutical,biochemical
ortechnologicalinvolvesprecision,organization,cleanliness,plannedactivities,
allowingeliminationoferrors.Achemistmustbeorientedhimself!
Chemists,biologists,pharmaceutistsordoctorsmustknowthebasisof
chemistrytoacquirefurtherstagesofmultidirectionalknowledge.Thisisthe
aimofthishandbook.Itincludesthetasksconstructedinthewaythework
ineachlaboratoryshouldproceed,irrespectiveofthefacthowcomplicated
activitiesareperformed.Thereforestartingtheworkoneshouldbearinmind
theaim,whatamItoachieveandwhatamItounderstand?Thenequipment
andreagentsshouldbecompletedandtheexperimentplanned.Atthisstage
ofeducation,theexperimentisplannedinthishandbook.However,whenyou
completethiscourse,youwillplanfurtherexperimentsbasedonthesesimple
laboratorytasks.
Anotheraspectisworksafety.Herethebestrulesarecommonsense,safety
regulationsandhygieneofwork.Neglectingtherulesmaybedisastrous.
Thusthiscollectionofbasictasksshouldhelpwouldbechemistsgetto
knowbasiclaws,phenomenaanddependencesaswellasenabledoingbasic
andessentiallaboratorytasksinanorganizedandpurposefulwayi.e.tobe
abletounderstandchemistrystepbystep.
Authors
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